Physics · Oct / Nov 2016 · Paper 11 · Question 6
5054Balanced and unbalanced forces
Each diagram shows two forces that are equal in magnitude. Which diagram shows two forces that are a Newton's third law pair of forces?
- Anormal contact force, weight (book on table)
- Bfriction, tension (block being pulled along the ground)
- Celectron attracted to nucleus, nucleus attracted to electron
- Dair resistance, weight (parachutist)
As printed in the paper
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Correct answer: C. electron attracted to nucleus, nucleus attracted to electron
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